/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/MeshSelectionTool.h
enum EMeshSelectionToolActions { NoAction, SelectAll, SelectAllByMaterial, ClearSelection, InvertSelection, GrowSelection, ShrinkSelection, ExpandToConnected, SelectLargestComponentByTriCount, SelectLargestComponentByArea, OptimizeSelection, DeleteSelected, DisconnectSelected, SeparateSelected, DuplicateSelected, FlipSelected, CreateGroup, SmoothBoundary, CycleSelectionMode, CycleViewMode, }